Home / 1,595.13-2,390.59-717.58

Finding the Fourth Proportional to 1,595.13, 2,390.59 and 717.58

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Solution

The fourth proportional to 1,595.13, 2,390.59 and 717.58 is: 1,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.13 : 2,390.59 = 717.58 : x
  2. Step 2: Convert to fraction form
    1,595.13/2,390.59 = 717.58/x
  3. Step 3: Cross multiply
    1,595.13x = 2,390.59 × 717.58
  4. Step 4: Simplify right side
    1,595.13x = 1,715,439.57
  5. Step 5: Solve for x
    x = 1,715,439.57/1,595.13
  6. Step 6: Final answer
    x = 1,075.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.